edited by Michael Gorman, Paul W. Winkler
American Library Association, 1978
Buku Referensi
American Library Association, 1984
Buku Referensi
American Library Association, 1988
Buku Referensi
Urbanski, Verna
Soldier Creek Press, 1992
Buku Teks
Maxwell, Robert L.
American Library Association, 2004
Buku Referensi